K Young, L Margulies, M Donovan-Peluso, J Clyne, M C Driscoll, C Dobkin, D Leibowitz, G Russo, G Schiliro, A Bank
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Structure and expression of two beta genes in a beta thalassemia homozygote.
Two beta globin gene alleles have been cloned and characterized from a patient with beta + thalassemia. Both beta genes have single base mutations in the small intervening sequence (IVS 1); one 6 nucleotides and the other 110 nucleotides from the 5' end of IVS 1. Both genes lead to abnormal splicing of beta globin mRNA precursors when expressed in HeLa cells. Despite the fact that both alleles produce some normal beta globin mRNA transcripts, the patient has clinically severe beta + thalassemia (Cooley's anemia).
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